xfs: don't let memory failures leak blocks and kill repairs
In the Linux kernel, the following vulnerability has been resolved: xfs: don't let memory failures leak blocks and kill repairs LOLLM complains that a memory allocation failure in xrep_newbt_add_blocks results in online repair leaking blocks that were previously allocated to write a new btree, but the problem is worse than that -- a limitation of the codebase is that the callers cannot undo the transaction /and/ return the error -- either you undo all changes and commit the transaction, or you error out and the filesystem goes down. However, the new btree space reservation object isn't that big (~48 bytes). Let's just do a NOFAIL allocation and the problem goes away.
CVE-2026-98445
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-98445
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "be408417630427984a1fddd069f30b245793234c",
"lessThan": "3380151cf0ce8ad0c1d356fed51e4b69e1d28e50",
"versionType": "git"
},
{
"status": "affected",
"version": "be408417630427984a1fddd069f30b245793234c",
"lessThan": "b15c79fca28060fd9c7e77f2c3ebc4ba023974e8",
"versionType": "git"
},
{
"status": "affected",
"version": "be408417630427984a1fddd069f30b245793234c",
"lessThan": "0e0d3372a84029da1768c7a4c4601484af5b58a2",
"versionType": "git"
},
{
"status": "affected",
"version": "be408417630427984a1fddd069f30b245793234c",
"lessThan": "ab1c416d2377cdc16123ef521aac4da1c468c3d4",
"versionType": "git"
}
],
"programFiles": [
"fs/xfs/scrub/newbt.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.8"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.8",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.113",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.56",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.9",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/xfs/scrub/newbt.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98445
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38503 · Revision 1
- Added to Heist Feed
- Publisher date